Assignee
Inventors
- Takahiro Makabe (5 patents)
- Tomoyuki Ogura (15 patents)
- Yasuo Kawamura (28 patents)
- Tatsuo Numata (25 patents)
- Kiminori Hirata (12 patents)
- Masaki Kudo (8 patents)
- Toshiro Miyake (13 patents)
- Hiroshi Haruyama (4 patents)
US Patent 4945091 · Granted Jul 31, 1990